Joist reinforcing bracket



FIG. 1 is a perspective view of a joist reinforcing bracket showing our new design;

FIG. 2 is a left side elevational view with the right side being a mirror image thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a top view thereof.

The broken line showing of a joist in FIGS. 1-6 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a joist reinforcing bracket, as shown and described. 